ac Controlled shape morphing of solvent free thermoresponsive soft actuators By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4162-4172DOI: 10.1039/D0SM00020E, PaperVadakkumnalath Prakasan Anju, Raghunandan Pratoori, Deepak Kumar Gupta, Rajendra Joshi, Ratna Kumar Annabattula, Pijush GhoshReconfigurable actuators are designed based on chitosan and pNipam which has the capability to attain precise and programmable actuation. The current approach offers a feasible way to fabricate soft actuators with repeatable and reversible actuation.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Pinning dislocations in colloidal crystals with active particles that seek stacking faults By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4182-4191DOI: 10.1039/C9SM02514F, PaperBryan VanSaders, Sharon C. GlotzerBy designing the shape of an active particle, its transport through a dense crystal can be tailored, as well as its interaction with dislocation defects present in the host crystal.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Experimental observation of boundary-driven oscillations in a reaction–diffusion–advection system By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4243-4255DOI: 10.1039/C9SM02291K, Paper Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Torsten Eckstein, Estefania Vidal-Henriquez, Azam GholamiBoundary-driven oscillations are observed experimentally in a reaction-diffusion-advection system, namely in the signaling population of Dictyostelium discoideum cells.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Lipid-core/polymer-shell hybrid nanoparticles: synthesis and characterization by fluorescence labeling and electrophoresis By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4173-4181DOI: 10.1039/D0SM00077A, PaperSophie Bou, Xinyue Wang, Nicolas Anton, Redouane Bouchaala, Andrey S. Klymchenko, Mayeul CollotNew hybrid nanoparticles have been obtained by simple nanoprecipitation using fluorescent labeling of both the oily core (BODIPY) and the polymeric shell (rhodamine) thus allowing the use of electrophoresis to assess their formation and stability.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Characterizing the fluid–matrix affinity in an organogel from the growth dynamics of oil stains on blotting paper By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4200-4209DOI: 10.1039/C9SM01965K, Paper Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Qierui Zhang, Frieder Mugele, Piet M. Lugt, Dirk van den EndeFluid–matrix affinity in an organogel is characterized by capillarity-induced oil release using absorbing paper.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Propagation of active nematic–isotropic interfaces on substrates By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4256-4266DOI: 10.1039/C9SM02306B, PaperRodrigo C. V. Coelho, Nuno A. M. Araújo, Margarida M. Telo da GamaMotivated by results for the propagation of active–passive interfaces of bacterial Serratia marcescens swarms, we used a hydrodynamic multiphase model to investigate the propagation of interfaces of active nematics on substrates.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Rapid analysis of cell-generated forces within a multicellular aggregate using microsphere-based traction force microscopy By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4192-4199DOI: 10.1039/C9SM02377A, PaperBuğra Kaytanlı, Aimal H. Khankhel, Noy Cohen, Megan T. ValentineWe measure cell-generated forces from the deformations of elastic microspheres embedded within multicellular aggregates. Using a computationally efficient analytical model, we directly obtain the full 3D mapping of surface stresses within minutes.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Rapid characterization of neutral polymer brush with a conventional zetameter and a variable pinch of salt By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4274-4282DOI: 10.1039/C9SM01850F, PaperMena Youssef, Alexandre Morin, Antoine Aubret, Stefano Sacanna, Jérémie PalacciWe take advantage of the nanoscopic nature of the Debye length and used it as a probe to characterize polymer brushes on colloidal particles.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Surface-topology-controlled mechanical characteristics of triply periodic carbon Schwarzite foams By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4324-4338DOI: 10.1039/D0SM00136H, PaperHao Gong, Jinjie Liu, Ke Xu, Jianyang Wu, Yang LiCarbon Schwarzites exhibit unique mechanical characteristics that are dominated by their topologies, rather than the mass density.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Systematic approach for wettability prediction using molecular dynamics simulations By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4299-4310DOI: 10.1039/D0SM00197J, Paper Open Access   This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.Ahmed Jarray, Herman Wijshoff, Jurriaan A. Luiken, Wouter K. den OtterAn efficient approach for fast screening of liquids in terms of their wetting properties.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Structural characterization of fibrous synthetic hydrogels using fluorescence microscopy By feeds.rsc.org Published On :: Soft Matter, 2020, 16,4210-4219DOI: 10.1039/C9SM01828J, Paper Open Access   This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.Johannes Vandaele, Boris Louis, Kaizheng Liu, Rafael Camacho, Paul H. J. Kouwer, Susana RochaThe structural features of the matrix surrounding the cells play a crucial role in regulating their behavior.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Active noise experienced by a passive particle trapped in an active bath By feeds.rsc.org Published On :: Soft Matter, 2020, Advance ArticleDOI: 10.1039/D0SM00006J, PaperSimin Ye, Peng Liu, Fangfu Ye, Ke Chen, Mingcheng YangWe study the properties of active noise experienced by a passive particle harmonically trapped in an active bath. The active noise is shown to depend on the trap stiffness.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Controlled release of entrapped nanoparticles from thermoresponsive hydrogels with tunable network characteristics By feeds.rsc.org Published On :: Soft Matter, 2020, Advance ArticleDOI: 10.1039/D0SM00207K, PaperYi Wang, Zhen Li, Jie Ouyang, George Em KarniadakisThermoresponsive hydrogels have been studied intensively for creating smart drug carriers and controlled drug delivery.To cite this article before page numbers are assigned, use the DOI form of citation above.The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Wall entrapment of peritrichous bacteria: A mesoscale hydrodynamics simulation study By feeds.rsc.org Published On :: Soft Matter, 2020, Accepted ManuscriptDOI: 10.1039/D0SM00571A, PaperS. Mahdiyeh Mousavi, Gerhard Gompper, Roland G. WinklerMicroswimmers such as E. Coli bacteria accumulate and exhibit an intriguing dynamics near walls, governed by hydrodynamic and steric interactions. Insight into the underlying mechanisms and predominant interactions demand a...The content of this RSS Feed (c) The Royal Society of Chemistry Full Article
ac Copper, Brass, and Bronze Surfaces: A Guide to Alloys, Finishes, Fabrication, and Maintenance in Architecture and Art By www.wiley.com Published On :: 2020-03-24T04:00:00Z A FULL-COLOR GUIDE FOR ARCHITECTS AND DESIGN PROFESSIONALS TO THE SELECTION AND APPLICATION OF COPPER, BRASS, AND BRONZECopper, Brass, and Bronze Surfaces, third in Zahner's Architectural Metals Series, provides a comprehensive and authoritative treatment of copper, brass, and bronze applications in architecture and art. If offers architecture and design professionals the information they need to ensure proper maintenance and fabrication techniques Read More... Full Article
ac Professional Practice for Interior Designers, 6th Edition By www.wiley.com Published On :: 2020-03-31T04:00:00Z The leading guide to the business practice of the interior design profession, updated to reflect the latest trendsFor nearly thirty years, Professional Practice for Interior Designers has been a must-have resource for aspiring designers and practicing professionals. This revised and updated Sixth Edition continues to offer authoritative guidance related to the business of the interior design professionfrom the basics to the latest topics and tools Read More... Full Article
ac Museum Practice By www.wiley.com Published On :: 2020-04-14T04:00:00Z MUSEUM PR ACTICE Edited by CONAL MCCARTHYMuseum Practice covers the professional work carried out in museums and art galleries of all types, including the core functions of management, collections, exhibitions, and programs. Some forms of museum practice are familiar to visitors, yet within these diverse and complex institutions many practices are hidden from view, such as creating marketing campaigns, curating and designing exhibitions, developing Read More... Full Article
ac Faceworld By www.wiley.com Published On :: 2020-05-05T04:00:00Z We have long accepted the face as the most natural and self-evident thing, believing that in it we could read, as if on a screen, our emotions and our doubts, our anger and joy. We have decorated them, made them up, designed them, as if the face were the true calling card of our personality, the public manifestation of our inner being. Nothing could be further from the truth. Rather than a window opening onto our inner nature, the face has always Read More... Full Article
ac Faceworld By www.wiley.com Published On :: 2020-05-05T04:00:00Z We have long accepted the face as the most natural and self-evident thing, believing that in it we could read, as if on a screen, our emotions and our doubts, our anger and joy. We have decorated them, made them up, designed them, as if the face were the true calling card of our personality, the public manifestation of our inner being. Nothing could be further from the truth. Rather than a window opening onto our inner nature, the face has always Read More... Full Article
ac How 5G will change the game for medical practitioners By newsroom.cisco.com Published On :: Mon, 27 Jan 2020 04:00:00 PST How the technology will have a profound impact on healthcare delivery. More RSS Feed for Cisco: newsroom.cisco.com/rss-feeds ... Full Article 5G Healthcare Vertical Focus
ac From privacy to trust and ROI By blogs.cisco.com Published On :: Mon, 27 Jan 2020 08:00:00 PST Insights from the Cisco Data Privacy Research Program More RSS Feed for Cisco: newsroom.cisco.com/rss-feeds ... Full Article Security
ac How do you accelerate your hybrid applications? By blogs.cisco.com Published On :: Tue, 28 Jan 2020 23:30:00 PST When apps are from Mars and infrastructure is from Venus, how do you accelerate your Hybrid Applications? More RSS Feed for Cisco: newsroom.cisco.com/rss-feeds ... Full Article Cloud
ac Coronavirus | Chennai-based ayurvedic pharmacist dies after drinking concoction of his own preparation By www.thehindu.com Published On :: Fri, 08 May 2020 20:01:12 +0530 Managing Director of the firm faints after tasting the chemical Full Article Tamil Nadu
ac On Day 2, Tasmac sales touch ₹140 cr. By www.thehindu.com Published On :: Sat, 09 May 2020 00:05:58 +0530 The Tamil Nadu State Marketing Corporation (Tasmac) sold liquor worth ₹140 crore on the second day after it opened its outlets. A Tasmac source said t Full Article Tamil Nadu
ac Ranipet police foil protest move against opening of Tasmac shop By www.thehindu.com Published On :: Sat, 09 May 2020 00:02:56 +0530 Police personnel and staff of the Tamil Nadu State Marketing Corporation Limited foiled a protest attempt against the opening of a liquor shop at Rani Full Article Tamil Nadu
ac Madras High Court orders closure of all Tasmac liquor shops in Tamil Nadu By www.thehindu.com Published On :: Sat, 09 May 2020 00:15:36 +0530 The Madras High Court on Friday directed the State government to close all 3,850 liquor shops run by the Tamil Nadu State Marketing Corporation (Tasma Full Article Tamil Nadu
ac Inspect chemical factories before reopening: Tamil Nadu Consumer Protection Organisation By www.thehindu.com Published On :: Sat, 09 May 2020 00:12:54 +0530 The Tamil Nadu Consumer Protection Organisation has asked the Tamil Nadu government to form a committee of officials from the environment, industries Full Article Tamil Nadu
ac [ASAP] Describing Meta-Atoms Using the Exact Higher-Order Polarizability Tensors By dx.doi.org Published On :: Tue, 07 Apr 2020 04:00:00 GMT ACS PhotonicsDOI: 10.1021/acsphotonics.9b01776 Full Article
ac [ASAP] Size, Ligand, and Defect-Dependent Electron–Phonon Coupling in Chalcogenide and Perovskite Nanocrystals and Its Impact on Luminescence Line Widths By dx.doi.org Published On :: Mon, 13 Apr 2020 04:00:00 GMT ACS PhotonicsDOI: 10.1021/acsphotonics.0c00034 Full Article
ac [ASAP] Hierarchical Plasmon Resonances in Fractal Structures By dx.doi.org Published On :: Tue, 14 Apr 2020 04:00:00 GMT ACS PhotonicsDOI: 10.1021/acsphotonics.0c00110 Full Article
ac [ASAP] Directional off-Normal Photon Streaming from Hybrid Plasmon-Emitter Coupled Metasurfaces By dx.doi.org Published On :: Fri, 17 Apr 2020 04:00:00 GMT ACS PhotonicsDOI: 10.1021/acsphotonics.0c00196 Full Article
ac [ASAP] Multifunctional Metasurface: Coplanar Embedded Design for Metalens and Nanoprinted Display By dx.doi.org Published On :: Thu, 23 Apr 2020 04:00:00 GMT ACS PhotonicsDOI: 10.1021/acsphotonics.9b01795 Full Article
ac [ASAP] Near-Field Radiative Heat Transfer between Dissimilar Materials Mediated by Coupled Surface Phonon- and Plasmon-Polaritons By dx.doi.org Published On :: Fri, 24 Apr 2020 04:00:00 GMT ACS PhotonicsDOI: 10.1021/acsphotonics.0c00404 Full Article
ac [ASAP] Chip-Scale Reconfigurable Optical Full-Field Manipulation: Enabling a Compact Grooming Photonic Signal Processor By dx.doi.org Published On :: Tue, 28 Apr 2020 04:00:00 GMT ACS PhotonicsDOI: 10.1021/acsphotonics.0c00103 Full Article
ac [ASAP] Exciton-Polaritons with Magnetic and Electric Character in All-Dielectric Metasurfaces By dx.doi.org Published On :: Thu, 30 Apr 2020 04:00:00 GMT ACS PhotonicsDOI: 10.1021/acsphotonics.0c00063 Full Article
ac [ASAP] Strong Optical Feedback Stabilized Quantum Cascade Laser By dx.doi.org Published On :: Fri, 08 May 2020 04:00:00 GMT ACS PhotonicsDOI: 10.1021/acsphotonics.0c00189 Full Article
ac Future Accessibility Guidelines—for People Who Can’t Wait to Read Them By feedproxy.google.com Published On :: Tue, 03 Dec 2019 12:00:00 +0000 Alan Dalton uses this, the International Day of Persons with Disabilities, to look back at where we’ve come from, to evaluate where we are, and to look forward to what’s coming next in the future of accessibility guidelines. Happy United Nations International Day of Persons with Disabilities! The United Nations have chosen “Promoting the participation of persons with disabilities and their leadership: taking action on the 2030 Development Agenda” for this year’s observance. Let’s see how the World Wide Web Consortium (W3C)’s Web Accessibility Initiative (WAI) guidelines of accessibility past, present, and yet-to-come can help us to follow that goal, and make sure that the websites—and everything else!—that we create can include as many potential users as possible. Guidelines of Accessibility Past The W3C published the Web Content Accessibility Guidelines (WCAG) 1.0 on 5th May 1999, when most of us were playing Snake on our Nokia 3210s’ 1.5” monochrome screens…a very long time ago in technology terms. From the start, those guidelines proved enlightening for designers and developers who wanted to avoid excluding users from their websites. For example, we learned how to provide alternatives to audio and images, how to structure information, and how to help users to find the information they needed. However, those guidelines were specific to the web technologies of the time, resulting in limitations such as requiring developers to “use W3C technologies when they are available […]”. Also, those guidelines became outdated; I doubt that you, gentle reader, consult their technical documentation about “directly accessible applets” or “Writing for browsers that do not support FRAME” in your day-to-day work. Guidelines of Accessibility Present The W3C published the Web Content Accessibility Guidelines (WCAG) 2.0 on 11th December 2008, when most of us were admiring the iPhone 3G’s innovative “iPhone OS 2.0” software…a long time ago in technology terms. Unlike WCAG 1, these guidelines also applied to non-W3C technologies, such as PDF and Flash. These guidelines used legalese and future-proofed language, with terms such as “time-based media” and “programmatically determined”, and testable success criteria. This made these guidelines more difficult for designers and developers to grasp, but also enabled the guidelines to make their way into international standards (see EN 301 549 — Accessibility requirements suitable for public procurement of ICT products and services in Europe and ISO/IEC 40500:2012 Information technology — W3C Web Content Accessibility Guidelines (WCAG) 2.0) and even international law (see EU Directive 2016/2102 … on the accessibility of the websites and mobile applications of public sector bodies). More importantly, these guidelines enabled designers and developers to create inclusive websites, at scale. For example, in the past 18 months: Intercom made their web Messenger accessible, achieving Level-AA conformance; Vimeo made accessibility updates to their video player to achieve Level-AA conformance; Stripe designed a new accessible colour system to conform with success criterion 1.4.3 (“Contrast (Minimum)”). The updated Web Content Accessibility Guidelines (WCAG) 2.1 arrived on 5th June last year—almost a 10-year wait for a “.1” update!—and added 17 new success criteria to help bring the guidelines up to date. Those new criteria focused on people using mobile devices and touchscreens, people with low vision, and people with cognitive and learning disabilities. (If you need to get up to speed with these guidelines, take 36 minutes to read “Web Content Accessibility Guidelines—for People Who Haven’t Read Them” and Web Content Accessibility Guidelines 2.1—for People Who Haven’t Read the Update.) Guidelines of Accessibility Yet to Come So, what’s next? Well, the W3C hope to release another minor update (WCAG 2.2) in November 2020. However, they also have a Task Force working on produce major new guidelines with wider scope (more people, more technologies) and fewer limitations (easier to understand, easier to use) in November 2022. These next guidelines will have a different name, because they will cover more than “Web” and “Content”. Andrew Kirkpatrick (Adobe’s Head of Accessibility) named the Task Force “Silver” (because the initials of “Accessibility Guidelines” form the symbol of the silver element). The Silver Task Force want the next major accessibility guidelines to: take account of more disabilities; apply to more technologies than just the web, including virtual reality, augmented reality, voice assistants, and more; consider all the technologies that people use, including authoring tools, browsers, media players, assistive technologies (including screen readers and screen magnifiers), application software, and operating systems. That’s quite a challenge, and so the more people who can help, the better. The Silver Task Force wanted an alternative to W3C’s Working Groups, which are made up of employees of organisations who are members of the W3C, and invited experts. So, they created a Silver Community Group to allow everyone to contribute towards this crucial work. If you want to join right now, for free, just create a W3C account. Like all good designers, the Silver Task Force and Silver Community Group began by researching. They examined the problems that people have had when using, conforming to, and maintaining the existing accessibility guidelines, and then summarised that research. From there, the Silver Community Group drafted ambitious design principles and requirements. You can read about what the Silver Community Group are currently working on, and decide whether you would like to get involved now, or at a later stage. Emphasise expertise over empathy Remember that today’s theme is “Promoting the participation of persons with disabilities and their leadership: taking action on the 2030 Development Agenda”. (The United Nations’ 2030 Development Agenda is outside the scope of this article, but if you’re looking to be inspired, read Alessia Aquaro’s article on Public Digital’s blog about how digital government can contribute to the UN’s Sustainable Development Goals.) In line with this theme, if you don’t have a disability and you want to contribute to the Silver Community Group, resist the temptation to try to empathise with people with disabilities. Instead, take 21 minutes during this festive season to enjoy the brilliant Liz Jackson explaining how empathy reifies disability stigmas, and follow her advice. Choose the right route I think we can expect the next Accessibility Guidelines to make their way into international standards and international law, just like their predecessors. We can also expect successful companies to apply them at scale. If you contribute to developing those guidelines, you can help to make sure that as many people as possible will be able to access digital information and services, in an era when that access will be crucial to every aspect of people’s lives. As Cennydd Bowles explained in “Building Better Worlds”, “There is no such thing as the future. There are instead a near-infinity of potential futures. The road as-yet-untravelled stretches before us in abundant directions. We get to choose the route. There is no fate but what we make.” About the author Alan Dalton worked for Ireland’s National Disability Authority for 9½ years, mostly as Accessibility Development Advisor. That involved working closely with public sector bodies to make websites, services, and information more accessible to all users, including users with disabilities. Before that, he was a consultant and trainer for Software Paths Ltd. in Dublin. In his spare time, he maintains StrongPasswordGenerator.com to help people stay safe online, tweets, and takes photos. More articles by Alan Full Article Code accessibility
ac Interactivity and Animation with Variable Fonts By feedproxy.google.com Published On :: Thu, 05 Dec 2019 12:00:00 +0000 Mandy Michael turns the corner on our variable font adventure and stumbles into a grotto of wonder and amazement. Not forgetting the need for a proper performance budget, Mandy shows how variable fonts can free your creativity from bygone technical constraints. If you read Jason’s introductory article about variable fonts, you’ll understand the many benefits and opportunities that they offer in modern web development. From this point on we’ll assume that you have either read Jason’s introduction or have some prior knowledge of variable fonts so we can skip over the getting started information. If you haven’t read up on variable fonts before jump over to “Introduction to Variable Fonts: Everything you thought you knew about fonts just changed” first and then come join me back here so we can dive into using variable fonts for interactivity and animations! Creative Opportunities If we can use variable fonts to improve the performance of our websites while increasing the amount of style variations available to us, it means that we no longer need to trade off design for performance. Creativity can be the driving force behind our decisions, rather than performance and technical limitations. Cookie text effect font: This Man is a Monster, by Comic Book Fonts. My goal is to demonstrate how to create interactive, creative text on the web by combining variable fonts with CSS and JavaScript techniques that you may already be familiar with. With the introduction of variable fonts, designs which would have previously been a heavy burden on performance, or simply impossible due to technical limitations, are now completely possible. Still I Rise Poem by Maya Angelou, Demo emphasising different words with variable fonts. View on Codepen. Variable fonts demo with CSS Grid using multiple weights and font sizes to emphasise different parts of the message. View on Codepen. The tone and intent of our words can be more effectively represented with less worry over the impacts of loading in “too many font weights” (or other styles). This means that we can start a new path and focus on representing the content in more meaningful ways. For example, emphasising different words, or phrases depending on their importance in the story or content. Candy Cane Christmas Themed Text Effect with FS Pimlico Glow by Font Smith. View on Codepen. Note: using variable fonts does not negate the need for a good web font performance strategy! This is still important, because after all, they are still fonts. Keep that in mind and check out some of the great work done by Monica Dinculescu, Zach Leatherman or this incredible article by Helen Homes. Variable Fonts & Animations Because variable fonts can have an interpolated range of values we can leverage the flexibility and interactive nature of the web. Rather than using SVG, videos or JavaScript to accomplish these effects, we can create animations or transitions using real text, and we can do this using techniques we may already be familiar with. This means we can have editable, selectable, searchable, copy-pastable text, which is accessible via a screenreader. Grass Variable Font Demo Growing Grass Variable Font Text. Demo on Codepen. This effect is achieved using a font called Decovar, by David Berlow. To achieve the animation effect we only need a couple of things to get started. First, we set up the font-family and make use of the new property font-variation-settings to access the different axes available in Decovar. h1 { font-family: "Decovar"; font-variation-settings: 'INLN' 1000, 'SWRM' 1000; } For this effect, we use two custom axis – the first is called “inline” and is represented by the code INLI and the second is “skeleton worm” represented by the code SWRM. For both axes, the maximum value is 1000 and the minimum value is 0. For this effect, we’ll make the most of the full axis range. Once we have the base set up, we can create the animation. There are a number of ways to animate variable fonts. In this demo, we’ll use CSS keyframe animations and the font-variation-settings property, but you can also use CSS transitions and JavaScript as well. The code below will start with the “leaves” expanded and then shrink back until it disappears. @keyframes grow { 0% { font-variation-settings: 'INLN' 1000, 'SWRM' 1000; } 100% { font-variation-settings: 'INLN' 1000, 'SWRM' 0; } } Once we have created the keyframes we can add the animation to the h1 element, and that is the last piece needed in order to create the animation. h1 { font-family: "Decovar"; font-variation-settings: 'INLN' 1000, 'SWRM' 1000; animation: grow 4s linear alternate infinite; } What this demonstrates is that typically, to accomplish effects like this, the heavy lifting is done by the font. We really only need a few lines of CSS for the animation, which if you think about it, is pretty incredible. There are all sorts of interesting, creative applications of variable fonts, and a lot of incredible fonts you can make the most of. Whether you want to create that “hand-writing” effect that we often see represented with SVG, or something a little different, there are a lot of different options. Duos Writer: Hand Writing Demo of hand writing variable font, Duos Writer by Underware. Decovar: Disappearing Text See the Pen CSS-only variable font demo using Decovar Regular by Mandy Michael (@mandymichael) on CodePen. Cheee: Snow Text Snow Text Effect - Text fills up with snow and gets “heavier” at the bottom as more snow gathers. Featuring “Cheee” by OhNoTypeCo. View on Codepen. Variable Fonts, Media Queries and Customisation It’s not that these are just beautiful or cool effects, what they demonstrate is that as developers and designers we can now control the font itself and that that means is that variable fonts allow typography on the web to adapt to the flexible nature of our screens, environments and devices. We can even make use of different CSS media queries to provide more control over our designs based on environments, light contrast and colour schemes. Though the CSS Media Queries Level 5 Spec is still in draft stages, we can experiment with the prefers-color-scheme (also known as dark mode) media query right now! Dark Mode featuring Oozing Cheee by OhNoTypeCo Oozing Dark Mode Text featuring “Cheee” by OhNoTypeCo. View Demo on Codepen. The above example uses a font called “Cheee” by OhNoTypeCo and demonstrates how to make use of a CSS Transition and the prefers-color-scheme media query to transition the axis of a variable font. h1 { font-family: “Cheee" font-variation-settings: "TEMP" 0; transition: all 4s linear; } @media (prefers-color-scheme: dark) { h1 { font-variation-settings: "TEMP" 1000; } } Dark mode isn’t just about changing the colours, it’s important to consider things like weight as well. It’s the combination of the weight, colour and size of a font that determines how legible and accessible it is for the user. In the example above, I’m creating a fun effect – but more practically, dark mode allows us to modify the contrast and styles to ensure better legibility and usability in different environments. What is even more exciting about variable fonts in this context is that if developers and designers can have this finer control over our fonts to create more legible, accessible text, it also means the user has access to this as well. As a result, users that create their own stylesheets to customise the experience to their specific requirements, can now adjust the pages font weight, width or other available axis to what best suits them. Providing users with this kind of flexibility is such an incredible opportunity that we have never had before! As CSS develops, we’ll have access to different environmental and system features that allow us to take advantage of our users unique circumstances. We can start to design our typography to adjust to things like screen width - which might allow us to tweak the font weight, width, optical size or other axes to be more readable on smaller or larger screens. Where the viewport is wide we can have more detail, when its smaller in a more confined space we might look at reducing the width of the font—this helps to maintain the integrity of the design as the viewport gets smaller or, to fit text into a particular space. See the Pen CSS is Awesome - Variable fonts Edition. by Mandy Michael (@mandymichael) on CodePen. We have all been in the situation where we just need the text to be slightly narrower to fit within the available space. If you use a variable font with a width axis you can slightly modify the width to adjust to the space available, and do so in a way that the font was designed to do, rather than using things like letter spacing which doesn’t consider the kerning of the characters. Variable Fonts, JavaScript and Interactive Effects We can take these concepts even further and mix in a little JavaScript to make use of a whole suite of different interactions, events, sensors and apis. The best part about this is whether you are using device orientation, light sensors, viewport resizes, scroll events or mouse movement, the base JavaScript doesn’t really change. To demonstrate this, we’ll use a straightforward example – we’ll match our font weight to the size of our viewport – as the viewport gets smaller, the font weight gets heavier. Demo: As the viewport width changes, the weight of the text “Jello” becomes heavier. We’ll start off by setting our base values. We need to define the minimum and maximum axis values for the font weight, and the minimum and maximum event range, in this case the viewport size. Basically we’re defining the start and end points for both the font and the event. // Font weight axis range const minAxisValue = 200 const maxAxisValue = 900 // Viewport range const minEventValue = 320px const maxEventValue = 1440px Next we determine the current viewport width, which we can access with something like window.innerWidth. // Current viewport width const windowWidth = window.innerWidth Using the current viewport width value, we create the new scale for the viewport, so rather than the pixels values we convert it to a range of 0 - 0.99. const windowSize = (windowWidth - minEventValue) / (maxEventValue - minEventValue) // Outputs a value from 0 - 0.99 We then take that new viewport decimal value and use it to determine the font weight based on viewport scale. const fontWeight = windowSize * (minAxisValue - maxAxisValue) + maxAxisValue; // Outputs a value from 200 - 900 including decimal places This final value is what we use to update our CSS. You can do this however you want – lately I like to use CSS Custom Properties. This will pass the newly calculated font weight value into our CSS and update the weight as needed. // JavaScript p.style.setProperty("--weight", fontWeight); Finally, we can put all this inside a function and inside an event listener for window resize. You can modify this however you need to in order to improve performance, but in essence, this is all you need to achieve the desired outcome. function fluidAxisVariation() { // Current viewport width const windowWidth = window.innerWidth // Get new scales for viewport and font weight const viewportScale = (windowWidth - 320) / (1440 - 320); const fontWeightScale = viewportScale * (200 - 900) + 900; // Set in CSS using CSS Custom Property p.style.setProperty("--weight", fontWeightScale); } window.addEventListener("resize", fluidAxisVariation); You can apply this to single elements, or multiple. In this case, I’m changing the paragraph font weights and different rates, but also reducing the width axis of the headline so it doesn’t wrap onto multiple lines. As previously mentioned, this code can be used to create all sorts of really amazing, interesting effects. All that’s required is passing in different event and axis values. In the following example, I’m using mouse position events to change the direction and rotation of the stretchy slinky effect provided by the font “Whoa” by Scribble Tone. See the Pen Slinky Text - WHOA Variable font demo by Mandy Michael (@mandymichael) on CodePen. We can also take the dark mode/colour schemes idea further by making use of the Ambient Light Sensor to modify the font to be more legible and readable in low light environments. This effect uses Tiny by Jack Halten Fahnestock from Velvetyne Type Foundry and demonstrates how we modify our text based by query the characteristics of the user’s display or light-level, sound or other sensors. It’s only because Variable fonts give us more control over each of these elements that we can fine-tune the font characteristics to maximise the legibility, readability and overall accessibility of our website text. And while these examples might seem trivial, they are great demonstrations of the possibilities. This is a level of control over our fonts and text that is unprecedented. Using device orientation to change the scale and weight of individual characters. View on Codepen. Variable Fonts offer a new world of interactivity, usability and accessibility, but they are still a new technology. This means we have the opportunity to figure out how and what we can achieve with them. From where I stand, the possibilities are endless, so don’t be limited by what we can already do – the web is still young and there is so much for us to create. Variable fonts open up doors that never existed before and they give us an opportunity to think more creatively about how we can create better experiences for our users. At the very least, we can improve the performance of our websites, but at best, we can make more usable, more accessible, and more meaningful content - and that, is what gets me really excited about the future of web typography with variable fonts. About the author Mandy is a community organiser, speaker, and developer working as the Front End Development Manager at Seven West Media in Western Australia. She is a co-organiser and Director of Mixin Conf, and the founder and co-organiser of Fenders, a local meetup for front-end developers providing events, mentoring and support to the Perth web community. Mandy’s passion is CSS, HTML and JS and hopes to inspire that passion in others. She loves the supportive and collaborative nature of the web and strives to encourage this environment through the community groups she is a part of. Her aim is to create a community of web developers who can share, mentor, learn and grow together. More articles by Mandy Full Article Code Design typography
ac Four Ways Design Systems Can Promote Accessibility – and What They Can’t Do By feedproxy.google.com Published On :: Mon, 23 Dec 2019 12:00:00 +0000 Amy Hupe prepares a four bird roast of tasty treats so we can learn how the needs of many different types of users can be served through careful implementation of components within a design system. Design systems help us to make our products consistent, and to make sure we’re creating them in the most efficient way possible. They also help us to ensure our products are designed and built to a high quality; that they’re not only consistent in appearance, and efficiently-built, but that they are good. And good design means accessible design. 1 in 5 people in the UK have a long term illness, impairment or disability – and many more have a temporary disability. Designing accessible services is incredibly important from an ethical, reputational and commercial standpoint. For EU government websites and apps, accessibility is also a legal requirement. With that in mind, I’ll explain the four main ways I think we can use design systems to promote accessible design within an organisation, and what design systems can’t do. 1. Bake it in Design systems typically provide guidance and examples to aid the design process, showing what best practice looks like. Many design systems also encompass code that teams can use to take these elements into production. This gives us an opportunity to build good design into the foundations of our products, not just in terms of how they look, but also how they work. For everyone. Let me give an example. The GOV.UK Design System contains a component called the Summary list. It’s used in a few different contexts on GOV.UK, to summarise information. It’s often used at the end of a long or complex form, to let users check their answers before they send them, like this: Users can review the information and, if they’ve entered something incorrectly, they can go back and edit their answer by clicking the “Change” link on the right-hand side. This works well if you can see the change link, because you can see which information it corresponds to. In the top row, for example, I can see that the link is giving me the option to change the name I’ve entered because I can see the name label, and the name I put in is next to it. However, if you’re using a screen reader, this link – and all the others – will just say “change”, and it becomes harder to tell what you’re selecting. So to help with this, the GOV.UK Design System team added some visually-hidden text to the code in the example, to make the link more descriptive. Sighted users won’t see this text, but when a screen reader reads out the link, it’ll say “change name”. This makes the component more accessible, and helps it to satisfy a Web Content Accessibility Guidelines (WCAG 2.1) success criterion for links which says we must “provide link text that identifies the purpose of the link without needing additional context”. By building our components with inclusion in mind, we can make it easier to make products accessible, before anyone’s even had to think about it. And that’s a great starting point. But that doesn’t mean we don’t have to think about it – we definitely do. And a design system can help with that too. 2. Explain it Having worked as the GOV.UK Design System’s content designer for the best part of 3 years, I’m somewhat biased about this, but I think that the most valuable aspect of a design system is its documentation. (Here’s a shameless plug for my patterns Day talk on design system documentation earlier this year, if you want to know more about that.) When it comes to accessibility, written documentation lets us guide good practice in a way that code and examples alone can’t. By carefully documenting implementation rules for each component, we have an opportunity to distribute accessible design principles throughout a design system. This means design system users encounter them not just once, but repeatedly and frequently, in various contexts, which helps to build awareness over time. For instance, WCAG 2.1 warns against using colour as “the only visual means of conveying information, calling an action, prompting a response or distinguishing a visual element”. This is a general principle to follow, but design system documentation lets us explain how this relates to specific components. Take the GOV.UK Design System’s warning buttons. These are used for actions with serious, often destructive consequences that can’t easily be undone – like permanently deleting an account. The example doesn’t tell you this, but the guidance explains that you shouldn’t rely on the red colour of warning buttons to communicate that the button performs a serious action, since not all users will be able to see the colour or understand what it signifies. Instead, it says, “make sure the context and button text makes clear what will happen if the user selects it”. In this way, the colour is used as an enhancement for people who can interpret it, but it’s not necessary in order to understand it. Making the code in our examples and component packages as accessible as possible by default is really important, but written documentation like this lets us be much more explicit about how to design accessible services. 3. Lead by example In our design systems’ documentation, we’re telling people what good design looks like, so it’s really important that we practice what we preach. Design systems are usually for members of staff, rather than members of the public. But if we want to build an inclusive workplace, we need to hold them to the same standards and ensure they’re accessible to everyone who might need to use them – today and in the future. One of the ways we did this in my team, was by making sure the GOV.UK Design System supports users who need to customise the colours they use to browse the web. There are a range of different user needs for changing colours on the web. People who are sensitive to light, for instance, might find a white background too bright. And some users with dyslexia find certain colours easier to read than others. My colleague, Nick Colley, wrote about the work we did to ensure GOV.UK Design System’s components will work when users change colours on GOV.UK. To ensure we weren’t introducing barriers to our colleagues, we also made it possible to customise colours in the GOV.UK Design System website itself. Building this flexibility into our design system helps to support our colleagues who need it, but it also shows others that we’re committed to inclusion and removing barriers. 4. Teach it The examples I’ve drawn on here have mostly focused on design system documentation and tooling, but design systems are much bigger than that. In the fortuitously-timed “There is No Design System”, Jina reminds us that tooling is just one of the ways we systematise design: …it’s a lot of people-focused work: Reviewing. Advising. Organizing. Coordinating. Triaging. Educating. Supporting.” To make a design system successful, we can’t just build a set of components and hope they work. We have to actively help people find it, use it and contribute to it. That means we have to go out and talk about it. We have to support people in learning to use it and help new teams adopt it. These engagement activities and collaborative processes that sit around it can help to promote awareness of the why, not just the what. At GDS, we ran workshops on accessibility in the design system, getting people to browse various web pages using visual impairment simulation glasses to understand how visually impaired users might experience our content. By working closely with our systems’ users and contributors like this, we have an opportunity to bring them along on the journey of making something accessible. We can help them to test out their code and content and understand how they’ll work on different platforms, and how they might need to be adjusted to make sure they’re accessible. We can teach them what accessibility means in practice. These kinds of activities are invaluable in helping to promote accessible design thinking. And these kinds of lessons – when taught well – are disseminated as colleagues share knowledge with their teams, departments and the wider industry. What design systems can’t do Our industry’s excitement about design systems shows no signs of abating, and I’m excited about the opportunities it affords us to make accessible design the default, not an edge case. But I want to finish on a word about their limitations. While a design system can help to promote awareness of the need to be accessible, and how to design products and services that are, a design system can’t make an organisation fundamentally care about accessibility. Even with the help of a thoughtfully created design system, it’s still possible to make really inaccessible products if you’re not actively working to remove barriers. I feel lucky to have worked somewhere that prioritises accessibility. Thanks to the work of some really brilliant people, it’s just part of the fabric at GDS. (For more on that work and those brilliant people, I can’t think of a better place to start than my colleague Ollie Byford’s talk on inclusive forms.) I’m far from being an accessibility expert, but I can write about this because I’ve worked in an organisation where it’s always a central consideration. This shouldn’t be something to feel lucky about. It should be the default, but sadly we’re not there yet. Not even close. Earlier this year, Domino’s pizza was successfully sued by a blind customer after he was unable to order food on their website or mobile app, despite using screen-reading software. And in a recent study carried out by disability equality charity, Scope, 50% of respondents said that they had given up on buying a product because the website, app or in-store machine had accessibility issues. Legally, reputationally and most importantly, morally, we all have a duty to do better. To make sure our products and services are accessible to everyone. We can use design systems to help us on that journey, but they’re just one part of our toolkit. In the end, it’s about committing to the cause – doing the work to make things accessible. Because accessible design is good design. About the author Amy is a content specialist and design systems advocate who’s spent the last 3 years working as a Senior Content Designer at the Government Digital Service. In that time, she’s led the content strategy for the GOV.UK Design System, including a straightforward and inclusive approach to documentation. In January, Amy will continue her work in this space, in her new role as Product Manager for Babylon Health’s design system, DNA. More articles by Amy Full Article Process style-guides
ac The Accidental Side Project By feedproxy.google.com Published On :: Tue, 24 Dec 2019 12:00:00 +0000 Drew McLellan puts the chairs up on the tables, sweeps the floor, and closes off our season, and indeed the entire 24 ways project with a look back at what it’s meant to run this site as a site project, and what impact side projects can have on the work we do. Will the last one out turn off Christmas the lights? Brought to you by The CSS Layout Workshop. Does developing layouts with CSS seem like hard work? How much time could you save without all the trial and error? Are you ready to really learn CSS layout? Fifteen years ago, on a bit of a whim, I decided it would be fun to have a Web Standards version of something like the Perl Advent calendar. A simple website with a new tip or trick each day leading the readers through December up until Christmas. I emailed a bunch of friends that kept web design and development themed blogs (remember those?) suggesting the idea and asking if they’d like to contribute. My vision had been that each post would be a couple of paragraphs of information. A small nugget of an idea, or a tip, or a suggestion. What happened was something really amazing. I began to receive really insightful blog posts containing some of the most valuable writing I’d seen online all year. Look at this piece from Ethan Marcotte on Centered Tabs with CSS, or this detailed piece on scripting block quotes from Jeremy Keith. I was blown away, and the scene was set. Part of the original design. Photo by Bert Heymans. Collaboration What I hadn’t anticipated in 2005 was that this little side project would turn into a fixture of the industry calendar, would introduce me to a raft of field experts, and would have me working with an eclectic team of collaborators for fifteen long seasons. And that last point is crucial. I’ve by no means produced this alone. Rachel Andrew has been a constant supporter in helping each year to see the light of day and producing our ebooks. After a couple of years, Brian Suda stepped in to help me plan and select authors. In 2008, I managed to persuade Tim Van Damme to replace my very basic site design with something altogether more fitting. In 2010, Anna Debenham came on board initially to help with the production of articles, but rapidly became a co-producer working with me on all aspects of the content. Owen Gregory joined up that same year to help with the proofing and editing of articles, and for many years did a fantastic job writing the home page article teasers, which are now but a shadow of their former selves. Tim Van Damme’s 2008 redesign. Also in 2010, we produced a book in collaboration with Five Simple Steps and raising funds in the memory of Remy and Julie’s daughter, Tia Sharp. The Five Simple Steps 24 ways book. Photo by Patrick Haney. In 2013, Paul Robert Lloyd stepped up to the plate to provide us with the design you see today, which not only subtly shifts colours between each day, but across the years as well. Compare the reds of 2005 to the purples of 2019, and the warm tones of a Day 1 to its correspondingly cool Day 24. It’s a terrific piece of work. Paul Robert Lloyd’s design plays subtly with colour shifts. In 2014 we won a Net Award for Best Collaborative Project at a fancy ceremony in London. Many past authors were there, and as it was an aware for our collaborative efforts, we all posed with the glassware for photos. We all went to a right fancy do. Looking back, looking forward But even I, Sea Captain Belly Button am not enough of a navel gazer to just be writing an article just about this website. As we draw our fifteenth and final year to a close, it’s important to reflect on what can be learned. Not from the articles (so much!) or from the folly of committing to a nightly publishing schedule for a month every year for fifteen years (don’t do it!) but from the value in starting something not because you have to, but just because you want to. From scratching an itch. From working with a friend just because you love spending time with them. Or for doing something because you see the opportunity for good. As web designers and developers, we have the opportunity to turn the skills we use in our profession to so many different purposes. In doing so you never know what good might come from it. Seeing the good This week I asked around to find out what good others have seen from their side projects. Long time 24 ways contributor Simon Willison had this to say: Basically every job I’ve ever had relates back to a side-project in some way— Simon Willison (@simonw) December 17, 2019 Simon went onto explain how it was a website side project that got him his first job in tech. After that, his personal blog lead him to getting a job at Lawrence Journal-World where he created Django. On his honeymoon, Simon and his new wife (and 24 ways contributor) Natalie Downe created Lanyrd, and Simon’s more recent Datasette project landed him a JSK Fellowship at Stanford. That’s an impressive record of side projects, for sure. Others had similar stories. My good friend Meri Williams is currently CTO of challenger bank Monzo, as well as being a trustee at Stonewall and Chair of The Lead Developer conference. I got asked to write the book you tech reviewed off the back of a Meetup talk. Chairing @TheLeadDev has led to me getting to hire & work with so many new brilliant people, as well as getting me multiple CTO gigs (both perm & interim) Got the gig chairing Lead Dev after meeting @RuthYarnit at a dev meet-up in the basement of a pub in Reading (which I think @drewm you also spoke at / introduced me to!)Leading LGBTQ employee network at P&G eventually led to my applying for board role at Stonewall — Meri Williams ???????????? (@Geek_Manager) December 18, 2019 Again, an impressive list of achievements, and I’m sure both Simon and Meri would have eventally found other routes to their individual success, but the reality is they did it through side projects. Through being present and active, contributing a little to their communities, and receiving so much more back in return. Of course, not all projects have to be directly related to the web or software to be fulfilling. Of course they don’t. Mark Small and Jack Shoulder embraced their love of a good rear end and created MuseumBums, informally cataloging perfect posteriors for your perusing pleasure. On its success, Mark says: Ok! We’ve been profiled in the Cambridge Independent, the Sun and the Metro; raised money for Prostate Cancer UK; created a little community of museum fans who aren’t afraid to be a bit silly online; and we’ve got a list of big ideas for developing our ????????️???? offer further! ????— Marky Smallstice ???????????? (@thehistoryb0y) December 17, 2019 Jack adds: We’ve also got a shout out on @BBCRadio4 and helped a beloved museum achieve record numbers of visitors. Wow. It’s been a *year*— Jack Frost (@jackshoulder) December 17, 2019 I had so many heartwarming responses to my request for stories, I really recommend you go over to the thread on Twitter and read it. It’s been one of my favourite set of replies in a long time. Focussing on what’s important As the years progressed, more and more publications sprang up both at Christmas and throughout the year with how-to articles explaining techniques. As a natural response, 24 ways started mixing up solution-based articles with bigger picture takes on a wider range of topics, but always with a practical takeaway to impress your friends. After the embarrassment of white dudes that dominated the early years, we actively sought to open the opportunity to write to a wider and more diverse range of experts. While I don’t think we ever got as much racial diversity in our lineup as I would have liked to have achieved, I’m very proud that each season has been closely gender-balanced since 2012. This is something that was never forced or remotely hard to achieve, all it took was an awareness of the potential for bias. Calling time With all the benefits that side projects can bring, it’s also important to be mindful of downsides. Not every project will take flight, and those that do can also start to consume valuable time. That’s fine while it’s fun and you’re seeing the benefits, but it’s neither fun or healthy long-term to have no time away from something that might otherwise be your job. Spending time with family, friends, and loved ones is equally important especially at this time of year. Just as anyone who does a lot of sport or fitness will tell you about the value of rest days between your activities to let the body recover, time away from ‘work’ is important to do the same for your brain. Having run this site every Christmas for 15 seasons, it’s time to take a breather and give it a rest. Who knows if we might return in the future, but no promises. It’s been a good run, and an absolute privilege to provide this small tradition to the community I love. So from me and the whole 24 ways family, Happy Christmas to all, and to all a good night. Anna and Drew at the 2014 Net Awards dinner. About the author Drew McLellan is a developer and content management consultant from Bristol, England. He’s the lead developer for the popular Perch and Perch Runway content management systems, and public speaking portfolio site Notist. Drew was formerly Group Lead at the Web Standards Project, and a Search Innovation engineer at Yahoo!. When not publishing 24 ways, he keeps a personal site about web development, takes photos, tweets a lot and tries to stay upright on his bicycle. More articles by Drew Full Article Business business
ac Addiction debates : hot topics from policy to practice / Catherine Comiskey. By darius.uleth.ca Published On :: Thousand Oaks : SAGE Publishing, 2019 Full Article
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ac MANHATTAN COM. ACCESS, ET AL. v. HALLECK, DEEDEE, ET AL.. Decided 06/17/2019 By www.law.cornell.edu Published On :: Mon, 17 Jun 2019 00:00:00 EDT Full Article
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